FAST is a good one if you're looking for a fun and respectful league. We race 4 series on 3 nights.
Precision Cup is BullRing 2012 mod on Wednesday nights and is open setups.
Supertruck Series is CTS09 mod on Thursday nights and is open setups.
On Fridays is a doubleheader night with the Fresh Talent Series first, it is IROC style schemes provided by the league and is SRD11 mod. After that the Sport Stock Series, also SRD11 mod but a regular series where you provide your car, competes at the same track as Fresh Talent. Both series are fixed setups.
Practices start at 7:45PM ET and Qualifying at 8:30PM ET.